LDA and Deep Learning: A Combined Approach for Feature Extraction and Sentiment Analysis.
Maganti SyamalaN. J. NaliniPublished in: ICCCNT (2019)
Keyphrases
- sentiment analysis
- deep learning
- feature extraction
- linear discriminant analysis
- opinion mining
- face recognition
- unsupervised learning
- sentiment classification
- dimensionality reduction
- text classification
- machine learning
- sentence level
- principal component analysis
- image classification
- feature space
- weakly supervised
- topic modeling
- latent dirichlet allocation
- sentiment lexicon
- feature vectors
- pattern recognition
- feature selection
- product reviews
- mental models
- text mining
- natural language processing
- computer vision
- knowledge base
- information retrieval
- product features
- probabilistic model
- image features
- neural network
- support vector machine